Improvement in pavements



LEWIS FILBERT, OF PHILADELPHIA, PENNSYLVANIA.

Letters Patent No. 108,696, dated October 25, 1870.

IMPROVEMENT IN PAVEMENTS.

The Schedule referred to in these Letters Patent and makmg part of the same.

To all whom it may concern I Be it known that I, LEWIS S. Frtnnnrr, 0t Philadelphia, in the county of Philadelphia and in the State of Pennsylvania, have invented certain new and useful Improvements in Compounds for Pavements, &e.; and do hereby declare that the following is a full, clear, and exact description thereof.

The nature of my invention consists in a newcompound or composition for pavements or other purposes of like nature, and is intended as an improvement upon the patent ofJohn L. K id well, No. 90,106, dated- May 18, 1869.

In order to enable others skilled in the art to which my invention appertains to make and use the same, I

boiled to a. suitable consistency by any means.

'lhe mixed compound is then spread upon the ground previously prepared to receive it, and rolled by heated or other rollers.

The "sulphuric acid hardens the compound very effectually. In some cases sulphur maybe used instead of sulphuric acid, and, when substituted, ten pounds of the sulphun should he used.

I do not confine myself to the exact proportions of the ingredients herein xi'icntioned, as the same may he 'aried according to the climate in, or the purpose for, which'the compound is to he used.-

Having thus fully described my invention,

\Vhat I claim as new, and desire to secure by' Letters Patent, is 4 The improved composition for pavements and other purposes, as above described and set forth.

In testimony that I claim the foregoing, I have hereunto set my hand this 22d dayof August, 1870.

' L. S. hlLBER'l.

Witnesses: I

U. M. ALEXANDER, EDM. F. Bnowx. 

